Home / 217,494-477,540

Finding the Third Proportional to 217,494 and 477,540

Calculator

Solution

The third proportional to 217,494 and 477,540 is: 1,048,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,494 : 477,540 = 477,540 : x
  2. Step 2: Convert to fraction form
    217,494/477,540 = 477,540/x
  3. Step 3: Cross multiply
    217,494x = 477,540 × 477,540
  4. Step 4: Simplify right side
    217,494x = 228,044,451,600
  5. Step 5: Solve for x
    x = 228,044,451,600/217,494
  6. Step 6: Final answer
    x = 1,048,509.16

Related Problems

Find third proportional to 108,747 and 238,770
Half scale
Find third proportional to 434,988 and 955,080
Double scale
Find third proportional to 217,496 and 477,544
Similar ratio
Find third proportional to 326,241 and 716,310
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.